twanger
/ˈtweɪn.dʒər/Definitions
1. noun
A person who plays or operates a stringed instrument, especially a lute or a mandolin.
“He was a skilled twanger in the folk band.”
2. verb
To play or strum a stringed instrument, especially a lute or a mandolin.
“She loves to twang out a lively tune on her mandolin.”